WO2020230971A1 - 전지의 xrd 측정용 스테이지 장치 - Google Patents

전지의 xrd 측정용 스테이지 장치 Download PDF

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Publication number
WO2020230971A1
WO2020230971A1 PCT/KR2019/017143 KR2019017143W WO2020230971A1 WO 2020230971 A1 WO2020230971 A1 WO 2020230971A1 KR 2019017143 W KR2019017143 W KR 2019017143W WO 2020230971 A1 WO2020230971 A1 WO 2020230971A1
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WO
WIPO (PCT)
Prior art keywords
plate
battery
fixing
property
xrd measurement
Prior art date
Application number
PCT/KR2019/017143
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김소영
구자필
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP19928512.3A priority Critical patent/EP3940376A4/en
Priority to CN201980048616.7A priority patent/CN112469993A/zh
Priority to JP2021502897A priority patent/JP7156623B2/ja
Publication of WO2020230971A1 publication Critical patent/WO2020230971A1/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/20008—Constructional details of analysers, e.g. characterised by X-ray source, detector or optical system; Accessories therefor; Preparing specimens therefor
    • G01N23/20025—Sample holders or supports therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/05—Investigating materials by wave or particle radiation by diffraction, scatter or reflection
    • G01N2223/056—Investigating materials by wave or particle radiation by diffraction, scatter or reflection diffraction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/309—Accessories, mechanical or electrical features support of sample holder
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/611—Specific applications or type of materials patterned objects; electronic devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/615—Specific applications or type of materials composite materials, multilayer laminates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a stage device for fixing a battery used in XRD measurement, and more particularly, to a stage device for XRD measurement of a battery for measuring each part of a battery without a large change in measurement conditions.
  • a secondary battery is a battery that can be used repeatedly through a discharge and charging process in the reverse direction that converts chemical energy into electrical energy, and the types include nickel-cadmium (Ni-Cd) batteries, nickel-hydrogen (Ni-MH) batteries. ) Battery, lithium-metal battery, lithium-ion battery, and lithium-ion polymer battery. Among these secondary batteries, lithium secondary batteries having high energy density and voltage, long cycle life, and low self-discharge rate have been commercialized and widely used.
  • the active material is a material involved in the actual battery electrode reaction, and the performance of the battery such as the capacity and voltage of the battery may be determined according to the performance of the active material. Therefore, it is important to analyze the active material in order to analyze the performance of the battery.
  • X-ray diffraction (XRD) method is used as one of the methods for obtaining information about the actual battery.
  • Korean Patent Registration No. 10-1274730 discloses a technology for a'in-situ battery frame capable of X-ray diffraction analysis'.
  • the present invention relates to a stage device for fixing a battery used in XRD measurement, and in particular, to provide a stage device for XRD measurement of a battery for measuring each part of a battery without a large change in the measurement situation.
  • the stage device for XRD measurement of a battery of the present invention includes a material plate on which the battery is fixed and x-rays are irradiated; A driving unit providing a linear driving force to the property plate to move the property plate in a first direction horizontal to the surface of the property plate; A guide unit guiding the movement of the material plate; And a fixing unit that fixes the driving unit and the guide unit in place.
  • the stage device for XRD measurement of a battery of the present invention may be mounted on a sample stage to stably fix the battery.
  • the stage apparatus for XRD measurement of a battery can accurately change the position of the battery in the sample stage, and can have high reproducibility even in repeated measurements. In addition, since it is always mounted in the correct position on the sample stage, additional alignment of the sample is unnecessary.
  • the stage device for XRD measurement of a battery according to the present invention can reduce an error in measurement by allowing the material plate to maintain a uniform shape even for a battery having a flexible appearance such as a pouch-type battery.
  • FIG. 1 is a conceptual diagram showing an XRD measurement system to which the stage device for XRD measurement of a battery of the present invention is applied.
  • Fig. 2 is a perspective view showing a stage device for XRD measurement of a battery according to the present invention.
  • FIG 3 is a front view showing a stage device for XRD measurement of a battery of the present invention.
  • FIG. 5 is a perspective view showing a material plate.
  • FIG. 6 is a plan view showing a fixing plate.
  • the stage device for XRD measurement of a battery of the present invention includes a material plate on which the battery is fixed and x-rays are irradiated; A driving unit providing a linear driving force to the property plate to move the property plate in a first direction horizontal to the surface of the property plate; A guide unit guiding the movement of the material plate; And a fixing unit that fixes the driving unit and the guide unit in place.
  • the x-rays are irradiated from an x-ray light source to the surface of the material plate, the x-rays pass through the material plate and are incident to the x-ray light receiving unit, and the material plate is 0.01
  • a material through which electromagnetic waves of to 10 nm are transmitted it may include one or more of acrylic resin, polycarbonate, ABS, polystyrene, and styrene acrylonitrile resin (SAN).
  • the driving unit includes a driving unit that outputs a linear driving force, and a power transmission unit that is connected to the driving unit and the property plate to transmit the linear driving force output from the driving unit to the property plate. It can be.
  • the power transmission part has a bar shape extending in the first direction, one end of the power transmission part is connected to the property plate, and the other end is connected to the driving part.
  • the driving unit may be configured to move the property plate by pushing or pulling the power transmission unit in the first direction at the other end of the power transmission unit.
  • the driving unit may have a movement range of 0 mm to 50 mm for moving the material plate, and the driving unit may measure the movement distance through an electronic scale.
  • the guide unit is fixed to the guide bar extending in the first direction, the material plate, and is coupled to the guide bar so as to slide in the length direction of the guide bar. It may include a guide part.
  • the material plate is formed by stacking a first material plate and a second material plate, and the battery is located between the first material plate and the second material plate, and the The guide part may be connected to one side of the first property plate, and the driving part may be connected to the other side of the first property plate.
  • a first hole is formed in the first material plate, a second hole is formed in the second material plate, and the entrances of the first hole and the second hole face each other. It can be.
  • the stage device for XRD measurement of a battery of the present invention includes a fixing means for fixing the first material plate and the second material plate in a stacked state with the battery interposed therebetween, and the fixing means includes a fixing bolt and the A first property plate and a fixing hole provided in the second property plate and into which the fixing bolt is inserted, wherein the fixing hole is provided in plurality on the first property plate and the second property plate, and at least two points In the first plate and the second plate may be fixed to each other by the fixing means.
  • the fixing unit includes a base plate on which the property plate and the driving unit are disposed, and a fixing plate fixed to an upper surface of the base plate and to which the guide bar and driving unit are fixed. It may be to include.
  • the guide portion may be coupled to the upper end of the material plate.
  • the base plate may have an alignment hole passing through the base plate, and a plurality of alignment holes may be provided.
  • the fixing plate includes a first fixing plate coupled to the base plate parallel to the first direction, and a second fixing plate coupled to the base plate perpendicular to the first direction.
  • a plate may be included, and the guide bar may be fixed to the first fixing plate, and the driving unit may be fixed to the second fixing plate.
  • the driving unit is fixed to one surface of the second fixing plate, and the material plate is located on the other surface of the fixing plate facing the one surface of the second fixing plate, and , The driving unit may transmit a driving force to the property plate through a hole formed in the second fixing plate.
  • stage device for XRD measurement of the battery of the present invention will be described in detail with reference to FIGS. 1 to 6.
  • FIG. 1 is a conceptual diagram showing an XRD measurement system to which the stage device for XRD measurement of a battery of the present invention is applied.
  • Fig. 2 is a perspective view showing a stage device for XRD measurement of a battery according to the present invention.
  • 3 is a front view showing a stage device for XRD measurement of a battery of the present invention.
  • 4 is a plan view showing the guide unit 300.
  • 5 is a perspective view showing the material plate 100.
  • 6 is a plan view showing the fixing plate 430.
  • XRD measurement may be performed for each portion of the battery 10. As shown in FIG. 1, XRD measurement is performed by irradiating x-ray light to the battery 10 disposed on the sample stage 13 with an x-ray light source 11, and transmitting the light transmitted through the battery 10 to the x-ray light receiving unit. It can be done by receiving input from (15). At this time, it may be necessary to measure while moving the battery 10 little by little within the sample stage 13 for measurement of each part of the battery 10.
  • the movement of the battery 10 is not accurate, an error occurs in the measurement of the non-uniformity in the battery 10, and reproducibility may be degraded in repeated measurement.
  • the battery 10 having a pouch-type flexible outer shape it may be difficult to measure while changing the position of the battery 10 while maintaining the shape at the time of initial measurement.
  • the stage device for XRD measurement of a battery according to the present invention may be mounted on the sample stage 13 to stably fix the battery 10.
  • the stage device for XRD measurement of a battery of the present invention can accurately change the position of the battery 10 within the sample stage 13, and can have high reproducibility even in repeated measurements. In addition, since the sample stage 13 is always mounted in the correct position, additional alignment of the sample is not required.
  • the stage device for XRD measurement of the battery of the present invention includes a material plate 100 on which the battery 10 is fixed and x-rays are irradiated, and a horizontal surface of the material plate 100
  • a drive unit 200 providing a linear driving force to the property plate 100 so that the property plate 100 moves in a first direction, which is one direction, a guide unit 300 that guides the movement of the property plate 100 , And a fixing unit 400 for fixing the driving unit 200 and the guide unit 300 in a correct position.
  • the first direction may be the x-axis direction shown in FIGS. 2 and 3. That is, the stage device for XRD measurement of a battery according to the present invention may linearly move the battery 10 along one axis to measure the characteristics of each part of the battery 10 on the x-axis.
  • the material plate 100 is a material having a high electron density and may transmit x-rays at a thickness of several cm. That is, the material plate 100 is a material through which electromagnetic waves of 0.01 to 10 nm are transmitted, and may include at least one of acrylic resin, polycarbonate, ABS, polystyrene, and styrene acrylonitrile resin (SAN).
  • SAN styrene acrylonitrile resin
  • the property plate 100 is formed by stacking the first property plate 130 and the second property plate 110, and the battery 10 includes a first property plate 130 and a second property plate. It may be located between the material plate 110.
  • the first property plate 130 and the second property plate 110 are materials that transmit x-ray light and are rigid materials, and the first property plate 130 and the second property plate 110 are used as the battery 10 )
  • the stage device for XRD measurement of a battery according to the present invention allows the battery 10 having a flexible appearance like the pouch-type battery 10 to maintain a constant shape of the material plate 100 The error can be reduced.
  • the battery surface is exposed to the outside of the battery surface except for the battery surface in contact with the first material plate 130 and the second material plate 110, it may be easy to connect an additional device for charging and discharging.
  • a window 140 through which x-rays pass may be formed on the material plate 100.
  • the window 140 may be a hole formed in a portion of the material plate 100 through which x-rays pass.
  • the material plate 100 is a transparent material and is made of a material capable of transmitting x-rays, but in order to increase the accuracy of analysis, a hole is formed in a portion of the surface of the material plate 100 to facilitate the transmission of x-rays.
  • the window 140 may be formed of a first hole 143 formed in the first material plate 130 and a second hole 141 formed in the second material plate 110.
  • the first hole 143 is formed at a distance of 10 mm to 20 mm from the lower end of the first material plate 130, and the length direction of the hole entrance is formed as a long hole parallel to the first direction, and the first hole ( The width of the entrance of 143) may be formed to be 10 mm to 20 mm.
  • the second hole 141 is formed at a distance of 10 mm to 20 mm from the lower end of the second material plate 110, and the length direction of the hole entrance is formed as a long hole parallel to the second direction, and the second hole ( 141) may have a width of 10 mm to 20 mm.
  • the first hole 143 and the second hole 141 are located on the optical path of the x-ray, and entrances of the first hole 143 and the second hole 141 may be formed at positions facing each other.
  • the first material plate 130 and the second material plate 110 may be stacked with the battery 10 interposed therebetween, and then may be fixed by a fixing means 150 such as a clip.
  • the fixing means 150 may include a fixing hole 153 provided in the first property plate 130 and the second property plate 110 so that the fixing bolt 151 and the fixing bolt 151 are inserted. have.
  • the fixing bolts 151 may be fixed to each other by screwing with the fixing hole 153.
  • the fixing holes 153 are provided in plural, and by fixing the first plate and the second plate to each other at two or more points, it is possible to prevent the first plate and the second plate from being twisted in a state in which they are coupled in a fixed posture.
  • the static posture may mean a state in which the first plate and the second plate are coupled so that the entrances of the first hole 143 and the second hole 141 face each other.
  • the driving unit 200 transmits power to the driving unit 210 outputting a linear driving force, and transmitting the linear driving force output from the driving unit 210 to the property plate 100 by being connected to the driving unit 210 and the property plate 100 It may include a unit 230.
  • the driving unit 210 is a linear transfer device, and the movement range for moving the material plate 100 is 0 mm to 50 mm, and the driving unit 210 may measure the movement distance through an electronic scale.
  • a display indicating the current operating state of the driving unit 210 and a button for inputting a control input value of the driving unit 210 may be provided in the housing of the driving unit 210.
  • the driving unit 210 may be a device capable of precise control so as to ensure reproducibility of the measurement. For example, the driving unit 210 measures each position of the battery 10 with a specific condition value for analysis conditions such as voltage or temperature, and then uses a different condition value of the battery 10 previously measured at the condition value. It may be capable of measuring the same location as each location.
  • a specific condition value for analysis conditions such as voltage or temperature
  • the power transmission unit 230 has a bar shape extending in the first direction, and one end of the power transmission unit 230 is connected to the property plate 100, the other end is connected to the driving unit 210, and the driving unit 210 may move the property plate 100 by pushing or pulling the power transmission unit 230 in the first direction at the other end of the power transmission unit 230.
  • the guide unit 300 is fixed to the guide bar 310 (bar) and the material plate 100 extending in the first direction, but is coupled to the guide bar 310 so as to slide in the longitudinal direction of the guide bar 310 It may include a unit 330. That is, the guide part 330 may move the guide bar 310 to the rail.
  • a guide part 330 may be connected to one side of the first property plate 130, and a driving part 210 may be connected to the other side of the first property plate 130.
  • the guide portion 330 is connected to the surface of the first material plate 130 on the opposite side that faces the surface of the first material plate 130 in contact with the battery 10, and the battery 10 and
  • the driving unit 210 may be connected to the surface of the first material plate 130 in contact. That is, the guide part 330 and the driving part 210 may be connected to both surfaces of the first material plate 130, respectively.
  • a protrusion 131 protruding in a direction perpendicular to the surface of the first property plate 130 facing the battery is formed on the first property plate 130, and the driving part 210 is connected to the protrusion 131. I can. By further separating the distance between the two support points through the protrusion 131, the load of the device can be further distributed.
  • An insertion groove 111 into which the protrusion 131 is inserted may be formed at one edge of the second material plate 110. Since the insertion groove 111 is provided in the second property plate 110, it is prevented that the first property plate 130 and the second property plate 110 be caught by the protrusion 131 when the first property plate 130 and the second property plate 110 are stacked and combined. Can be prevented.
  • the fixing unit 400 is fixed to the upper surface of the base plate 410 on which the property plate 100 and the driving unit 200 are disposed, and the base plate 410, and the guide bar 310 and the driving unit 200 ) May include a fixed plate 430 is fixed.
  • the base plate 410 may be coupled to the upper portion of the sample stage 13.
  • An x-ray optical path may be formed on the sample stage 13, and thus, the base plate 410 is disposed on the sample stage 13 so that x-rays can be irradiated to the material plate 100, and the base plate (410)
  • the material plate 100 may be disposed on the top.
  • the guide part 330 may be coupled to the upper end of the material plate 100.
  • a configuration capable of blocking x-rays, such as the guide portion 330 and the guide bar 310, is positioned at the upper end of the material plate 100, so that the battery 10 can be positioned from the lowest possible position.
  • the base plate 410 may have alignment holes 411 penetrating through the upper and lower surfaces of the base plate 410, and a plurality of alignment holes 411 may be provided.
  • a hole through which the device can be fixed may be provided in the sample stage 13.
  • the alignment hole 411 may be formed at a position on the base plate 410 where the material plate 100 may be located on the optical path of the x-ray.
  • the fixing plate 430 is coupled to the first fixing plate 431 and the base plate 410 in parallel with the first direction, and the base plate 410 perpendicularly to the first direction.
  • a second fixing plate 433 may be included. That is, the'a' shaped fixing plate 430 may be coupled to the base plate 410.
  • the guide bar 310 may be fixed to the first fixing plate 431, and the driving unit 200 may be fixed to the second fixing plate 433.
  • the guide bar 310 is coupled parallel to the surface of the first fixing plate 431, it is possible to stably fix the guide bar 310 by adjusting the length of the fixed guide bar 310.
  • the driving unit 200 is fixed to one surface of the second fixing plate 433, and the property plate 100 is located on the other surface of the fixing plate 430 facing one surface of the second fixing plate 433, and is driven.
  • the unit 200 may transmit a driving force to the property plate 100 through a hole formed in the second fixing plate 433.
  • the power transmission unit 230 may pass through a hole formed in the second fixing plate 433.
  • the stage device for XRD measurement of a battery of the present invention may be mounted on a sample stage to stably fix the battery.
  • the stage apparatus for XRD measurement of a battery can accurately change the position of the battery in the sample stage, and can have high reproducibility even in repeated measurements. In addition, since it is always mounted in the correct position on the sample stage, additional alignment of the sample is unnecessary.
  • the stage device for XRD measurement of a battery according to the present invention can reduce an error in measurement by allowing the material plate to maintain a uniform shape even for a battery having a flexible appearance such as a pouch-type battery.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Secondary Cells (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
PCT/KR2019/017143 2019-05-15 2019-12-06 전지의 xrd 측정용 스테이지 장치 WO2020230971A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19928512.3A EP3940376A4 (en) 2019-05-15 2019-12-06 PLATE DEVICE FOR MEASUREMENT BY X-RAY DIFFRACTION OF A BATTERY
CN201980048616.7A CN112469993A (zh) 2019-05-15 2019-12-06 用于电池的xrd测试的载物台装置
JP2021502897A JP7156623B2 (ja) 2019-05-15 2019-12-06 電池のｘｒｄ測定用ステージ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190056809A KR102470128B1 (ko) 2019-05-15 2019-05-15 전지의 xrd 측정용 스테이지 장치
KR10-2019-0056809 2019-05-15

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WO2020230971A1 true WO2020230971A1 (ko) 2020-11-19

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PCT/KR2019/017143 WO2020230971A1 (ko) 2019-05-15 2019-12-06 전지의 xrd 측정용 스테이지 장치

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EP (1) EP3940376A4 (zh)
JP (1) JP7156623B2 (zh)
KR (1) KR102470128B1 (zh)
CN (1) CN112469993A (zh)
WO (1) WO2020230971A1 (zh)

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